6694607 has 4 divisors (see below), whose sum is σ = 6701496. Its totient is φ = 6687720.

The previous prime is 6694561. The next prime is 6694643. The reversal of 6694607 is 7064966.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7064966 = 2 ⋅3532483.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6694607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 4029.

It is an arithmetic number, because the mean of its divisors is an integer number (1675374).

Almost surely, 2^6694607 is an apocalyptic number.

6694607 is a deficient number, since it is larger than the sum of its proper divisors (6889).

6694607 is a wasteful number, since it uses less digits than its factorization.

6694607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 6694607 is about 2587.3938625575. The cubic root of 6694607 is about 188.4697679167.

The spelling of 6694607 in words is "six million, six hundred ninety-four thousand, six hundred seven".